Sustainable Lab Diamond Necklaces

The sustainable and ethical choice. Matching ethical sustainability with the utmost in sparkle and sophistication, our Lab Grown Diamond Necklaces never fail to set pulses racing with their opulent beauty.

Showing 193 - 240 of 323 products
NEXT DAY DELIVERY LOW STOCK1.50ct Ruby Asteria Lab Diamond Halo Pendant Necklace 9K White Gold

1.50ct Ruby Asteria Lab Diamond Halo Pendant Necklace 9K White Gold

£585£9.27 per month 
3 reviews
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NEW INKeira 18K White Gold Pear Shape Lab Diamond Pendant Necklace 0.33CT F/VS

Keira 18K White Gold Pear Shape Lab Diamond Pendant Necklace 0.33CT F/VS

£499
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NEXT DAY DELIVERY Lab Diamond Carre Galileo 1.10CT Pendant Necklace in 9K White Gold

Lab Diamond Carre Galileo 1.10CT Pendant Necklace in 9K White Gold

£849£15.99 per month 
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NEXT DAY DELIVERY LOW STOCK15.00ct Lab Diamond Tennis Necklace in 9K White Gold G/VS

15.00ct Lab Diamond Tennis Necklace in 9K White Gold G/VS

£5,999
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NEW INKiera Platinum Pear Shape Lab Diamond Pendant Necklace 0.33CT F/VS

Kiera Platinum Pear Shape Lab Diamond Pendant Necklace 0.33CT F/VS

£585
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NEXT DAY DELIVERY LOW STOCK0.40ct Lab Diamond Halo Necklace in 9K White Gold G/Vs

0.40ct Lab Diamond Halo Necklace in 9K White Gold G/Vs

£399
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NEW INOlivia 18K White Gold Lab Diamond Pendant Necklace 0.33CT F/VS

Olivia 18K White Gold Lab Diamond Pendant Necklace 0.33CT F/VS

£499
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NEXT DAY DELIVERY Lab Diamond Pave Heart Pendant Necklace 0.50ct H/Si in 9K White Gold

Lab Diamond Pave Heart Pendant Necklace 0.50ct H/Si in 9K White Gold

£475£8.40 per month 
2 reviews
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NEW INOlivia 18K White Gold Lab Diamond Pendant Necklace 0.50CT F/VS

Olivia 18K White Gold Lab Diamond Pendant Necklace 0.50CT F/VS

£599
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NEXT DAY DELIVERY Astra 1.80ct Lab Ruby and Diamond Halo Octagon Cut Necklace in Silver

Astra 1.80ct Lab Ruby and Diamond Halo Octagon Cut Necklace in Silver

£245 
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NEW INCertified Lab Diamond 1.00CT Emily 18K White Gold Pendant Necklace F/VS

Certified Lab Diamond 1.00CT Emily 18K White Gold Pendant Necklace F/VS

£999
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NEXT DAY DELIVERY 0.50ct Lab Diamond Heart Pendant Necklace H/SI Quality in 9K White Gold

0.50ct Lab Diamond Heart Pendant Necklace H/SI Quality in 9K White Gold

£475
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NEXT DAY DELIVERY 5.40ct Blue Topaz and Lab Diamond Halo Necklace in 9K White Gold

5.40ct Blue Topaz and Lab Diamond Halo Necklace in 9K White Gold

£649£10.32 per month 
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NEXT DAY DELIVERY 8.00ct Lab Diamond Tennis Necklace in 9K Yellow Gold G/VS

8.00ct Lab Diamond Tennis Necklace in 9K Yellow Gold G/VS

£3,795
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NEW INEmily 18K White Gold Lab Diamond Pendant Necklace 0.33CT F/VS

Emily 18K White Gold Lab Diamond Pendant Necklace 0.33CT F/VS

£475
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NEXT DAY DELIVERY LOW STOCK5.40ct Blue Topaz and Lab Diamond Halo Asteria Necklace in 9K Gold

5.40ct Blue Topaz and Lab Diamond Halo Asteria Necklace in 9K Gold

£649£10.39 per month 
3 reviews
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Beatrice Cushion Cut Lab Diamond Pendant Necklace 0.70ct in 18K Yellow Gold F/VS1

Beatrice Cushion Cut Lab Diamond Pendant Necklace 0.70ct in 18K Yellow Gold F/VS1

£1,195£23.13 per month 
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NEXT DAY DELIVERY LOW STOCK10.00ct Lab Diamond Tennis Necklace 3/4 Set in 9K Yellow Gold G/VS

10.00ct Lab Diamond Tennis Necklace 3/4 Set in 9K Yellow Gold G/VS

£5,295
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NEW INOlivia Platinum Lab Diamond Pendant Necklace 0.50CT F/VS

Olivia Platinum Lab Diamond Pendant Necklace 0.50CT F/VS

£669
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5.00ct Lab Diamond Tennis Necklace 3/4 Set in 9K Gold G/VS

5.00ct Lab Diamond Tennis Necklace 3/4 Set in 9K Gold G/VS

£2,945
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10.00ct Lab Diamond Drop Tennis Necklace in 9K White Gold F/VS

10.00ct Lab Diamond Drop Tennis Necklace in 9K White Gold F/VS

£6,459
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NEXT DAY DELIVERY LOW STOCK1.40ct Emerald Lab Diamond Halo Pendant Necklace in 9K White Gold

1.40ct Emerald Lab Diamond Halo Pendant Necklace in 9K White Gold

£579£9.43 per month 
4 reviews
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NEXT DAY DELIVERY NEW INVivara Lab Diamond Necklace 1.00ct H/SI in 9K White Gold

Vivara Lab Diamond Necklace 1.00ct H/SI in 9K White Gold

£949
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NEXT DAY DELIVERY 925 Silver Lab Diamond Initial 'F' Necklace 0.05ct

925 Silver Lab Diamond Initial 'F' Necklace 0.05ct

£149 
1 reviews
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NEXT DAY DELIVERY LOW STOCKElla Blue Lab Diamond 0.71ct Pendant Necklace in 18K White Gold - Elara Collection

Ella Blue Lab Diamond 0.71ct Pendant Necklace in 18K White Gold - Elara Collection

£1,449£22.39 per month 
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NEXT DAY DELIVERY LOW STOCK1.00ct Lab Diamond Heart Pendant Necklace H/SI Quality in 9K White Gold

1.00ct Lab Diamond Heart Pendant Necklace H/SI Quality in 9K White Gold

£799
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NEXT DAY DELIVERY Sapphire and Lab Diamond Cluster Pendant Necklace 6x4mm in 925 Silver

Sapphire and Lab Diamond Cluster Pendant Necklace 6x4mm in 925 Silver

£175 
5 reviews
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NEW INVivara Lab Ruby and Lab Diamond Necklace Set in 9K White Gold

Vivara Lab Ruby and Lab Diamond Necklace Set in 9K White Gold

£599
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NEXT DAY DELIVERY 925 Silver Lab Diamond Initial 'N' Necklace 0.05ct

925 Silver Lab Diamond Initial 'N' Necklace 0.05ct

£149 
4 reviews
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NEXT DAY DELIVERY LOW STOCKAnnabelle Blue Lab Diamond Emerald Cut Halo Necklace 0.70ct in 18K White Gold - Elara Collection

Annabelle Blue Lab Diamond Emerald Cut Halo Necklace 0.70ct in 18K White Gold - Elara Collection

£1,449£22.39 per month 
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NEW INCertified Lab Diamond 0.50CT Emily 18K Gold Pendant Necklace F/VS

Certified Lab Diamond 0.50CT Emily 18K Gold Pendant Necklace F/VS

£645
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NEXT DAY DELIVERY Chloe 18K Gold Lab Diamond Solitaire Necklace 0.33CT F/VS

Chloe 18K Gold Lab Diamond Solitaire Necklace 0.33CT F/VS

£515£8.24 per month 
5 reviews
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Beatrice Cushion Cut Lab Diamond Pendant Necklace 1.38ct in 18K White Gold F/VS1

Beatrice Cushion Cut Lab Diamond Pendant Necklace 1.38ct in 18K White Gold F/VS1

£1,759£38.02 per month 
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Ella Pink Lab Diamond 0.71ct Pendant Necklace in 18K Yellow Gold - Elara Collection

Ella Pink Lab Diamond 0.71ct Pendant Necklace in 18K Yellow Gold - Elara Collection

£1,885£27.20 per month 
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NEXT DAY DELIVERY Aquamarine and Lab Diamond Cluster Necklace 9x7mm in 18K White Gold

Aquamarine and Lab Diamond Cluster Necklace 9x7mm in 18K White Gold

£1,335£21.37 per month 
1 reviews
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Initial 'D' Necklace Lab Diamond Encrusted Pave Set in 925 Sterling Silver

Initial 'D' Necklace Lab Diamond Encrusted Pave Set in 925 Sterling Silver

On Sale £79 
1 reviews
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Initial 'Y' Necklace Lab Diamond Encrusted Pave Set in 925 Sterling Silver

Initial 'Y' Necklace Lab Diamond Encrusted Pave Set in 925 Sterling Silver

On Sale £79 
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NEXT DAY DELIVERY Ruby and Lab Diamond Halo Circle Necklace in 9KW Gold Asteria

Ruby and Lab Diamond Halo Circle Necklace in 9KW Gold Asteria

£349 
2 reviews
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NEXT DAY DELIVERY Lab Diamond Tennis Necklace 5ct F/VS Quality in 9K White Gold

Lab Diamond Tennis Necklace 5ct F/VS Quality in 9K White Gold

£3,795£64.02 per month 
1 reviews
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NEXT DAY DELIVERY LOW STOCK2ct Blue Topaz and Lab Diamond Halo Asteria Necklace 9KW Gold

2ct Blue Topaz and Lab Diamond Halo Asteria Necklace 9KW Gold

£349 
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Annabelle Yellow Lab Diamond Emerald Cut Halo Necklace 0.70ct in 18KGold - Elara Collection

Annabelle Yellow Lab Diamond Emerald Cut Halo Necklace 0.70ct in 18KGold - Elara Collection

£1,639£25.60 per month 
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NEXT DAY DELIVERY 925 Silver Lab Diamond Initial 'B' Necklace 0.05ct

925 Silver Lab Diamond Initial 'B' Necklace 0.05ct

£149 
1 reviews
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NEXT DAY DELIVERY LOW STOCK7.00ct Lab Diamond Tennis Necklace 3/4 Set in 9K Yellow Gold G/VS

7.00ct Lab Diamond Tennis Necklace 3/4 Set in 9K Yellow Gold G/VS

£3,695
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Ella Lab Diamond Halo Necklace in 18K White Gold 1.30ct F/VS1

Ella Lab Diamond Halo Necklace in 18K White Gold 1.30ct F/VS1

£1,995£88.94 per month 
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1.20ct Sapphire Asteria Lab Diamond Drop Pendant Necklace in 9K Gold

1.20ct Sapphire Asteria Lab Diamond Drop Pendant Necklace in 9K Gold

£599£11.12 per month 
1 reviews
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NEXT DAY DELIVERY LOW STOCKLab Ruby 9x7mm and Lab Diamond Cluster Necklace Pendant in 18K White Gold

Lab Ruby 9x7mm and Lab Diamond Cluster Necklace Pendant in 18K White Gold

£779£12.47 per month 
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NEXT DAY DELIVERY LOW STOCK10.00ct Lab Diamond Tennis Necklace 3/4 Set in 9K White Gold G/VS

10.00ct Lab Diamond Tennis Necklace 3/4 Set in 9K White Gold G/VS

£5,295
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NEXT DAY DELIVERY LOW STOCK7.00ct Lab Diamond Cluster Tennis Necklace in 9K White Gold F/VS

7.00ct Lab Diamond Cluster Tennis Necklace in 9K White Gold F/VS

£5,295
1 reviews
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